Here is the full list of all 33 Mother Russia Bleeds achievements.
Complete a level without using any weapon
Reach your destination without being hit by a grenade
Complete the game with the sad ending
Get through the sewers without being bitten by a rat
Get through the sewers without raising a hand to a pig
Complete the game with the happy ending
Complete the game in Easy mode
Complete a level without hitting any ally
Complete a level without letting anyone on the team get hit
Get gnawed by 5 rats at the same time
Achieve a 200 hit combo
Get through the hall without being hit by the chopper
Complete the arena in less than 5 minutes
Complete a level without being hit
Kill 40 riot policemen as you cross the main square
Defeat the Butcher without being hit by his claw
Complete a level without taking any Nekro
Keep the Gimp alive
Empty a cartridge clip without any random shot
Use an enemy to knock down another 5
Defeat the Prison Governor without being hit by a sniper
Achieve a 100 hit combo
100% complete the game
Complete the game in Normal mode
Complete the game in Hardcore mode
Achieve a 500 hit combo
Escort the prisoner without letting him take any hit
Defeat the Dealers' leader without ending up under the harvester
Leave the train without letting the inspectors call for backup
Defeat the Government officer without being hit by a train
Cross the boulevard without being hit by a motorbike
Complete a level without anyone on the team being killed
Successfully hand a knife to your ally